Workers placing concrete in last lift of north stop log shaft, Waterworks Park, Detroit water supply system
Grab
Description
View of workers placing concrete in last lift of north stop log shaft, Waterworks Park, Detroit water supply system. Printed on front: "City of Detroit. Department of Water Supply. Land tunnel and structures. Contract RC 12. Dravo Contracting Co., contractors. Photo no. 27. Date: 8-11-30. Photo by Manning Brothers." Typed on back: "Placing concrete in next to last lift in north stop log shaft. (Last lift will be about 8 ft.)"